<!DOCTYPE html>
<html lang="en">
<script src="./js/jquery-3.2.1.min.js"></script>
<script src="./js/ccv.js"></script>
<script src="./js/cascade.js"></script>
<script src="./js/jquery.facedetection.js"></script>
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

<img id="picture" src="./images/meizi.jpeg">

</body>

<script>
    $(function () {
         $('#picture').faceDetection({
                complete: function (faces) {
                    console.log(faces);
                }
         });
    });

</script>

</html>